Aw, I feel you, ang naghihintay talaga ang hardest part! Based sa cycle mo, kung Aug 19-23 ang last period mo, usually around 2 weeks after that ang best time to test (so early September), kaya may sense na negative pa kahapon kung recently lang nag-test ka. A few of us tried retesting after a week or so kasi sometimes the hormones need more time to show up, lalo na kung irregular ang dating cycle mo. If wala ka pang period by early Sept, try ulit ang PT, mas reliable na siya usually by then, but honestly best to just check with your OB na para sure and makaiwas sa guesswork. Fingers crossed for you, mama!